50824839 has 16 divisors (see below), whose sum is σ = 74678912. Its totient is φ = 30548448.

The previous prime is 50824831. The next prime is 50824843. The reversal of 50824839 is 93842805.

It is a happy number.

It is not a de Polignac number, because 50824839 - 2³ = 50824831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50824797 and 50824806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50824831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13477 + ... + 16830.

It is an arithmetic number, because the mean of its divisors is an integer number (4667432).

Almost surely, 2^50824839 is an apocalyptic number.

50824839 is a deficient number, since it is larger than the sum of its proper divisors (23854073).

50824839 is a wasteful number, since it uses less digits than its factorization.

50824839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30366.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 50824839 is about 7129.1541574018. The cubic root of 50824839 is about 370.4179329087.

The spelling of 50824839 in words is "fifty million, eight hundred twenty-four thousand, eight hundred thirty-nine".